四年级数学计算题小数加减运算习题与答案.docx

1、四年级数学计算题小数加减运算习题与答案四年级数学计算题（小数加减运算）习题与答案4.17+9.25= 9.88+6.15= 5.4+8.03=0.31+8.9= 9.77+9.61= 7.44+7.89=4.23+7.24= 4.19+9.28= 1.87+6.9=4.18+2.76= 7.65+9.94= 5.37+9.5=4.48+8= 7.77+0.95= 3+2.1=1.2+0.03= 5.29+3.7= 0.04+5.29=6.12-5.99= 8.09-2.17= 8.45-7.02=6.87-4.43= 7.47-6.79= 8.71-5.88=9.8-2.6= 8.02-4.6

2、3= 3.09-2.56=3.58-2.81= 3.5-0.06= 3.4-2.5=8.02-7.34= 7.25-2.93= 8.89-8.45=6.31-1.51= 6.16-4.16= 6.71-5.63=1.75+7.77+7.22= 8.41+0.04+7.02= 3.2+8.67+8.53=1.91+2.04+1.21= 5.37+2.72+7.08= 3.69+0.85+2.68=2.43+9.99+1.81= 6.81+9.98+2.98= 1.08+0.29+9.05=8.84+2.81+4.08= 4.4+4.63+1.6= 1.13+8.86+3.34=7.07+1.21

3、+8.21= 1.54+8.25+8.81= 0.49+8.04+1.9=4.25+0.4+2.93= 6.61+4.12+9.39= 0.68+0.71+4.81=5.35+2.57-4.47= 8.73+1.91-8.57= 9.55+0.91-6.75=0.72+6.66-0.65= 9.34+6-9.84= 2.49+6.8-6.4=2.54+1.53-3.23= 3.56+3.59-5.66= 6.19+3.78-8.39=1.85+4.24-3.8= 4.16+6.64-3.1= 9.13+5.02-7.13=7.11+4.36-5.17= 3.14+8.67-3.62= 4.27

4、+3.58-0.48=4.36+4.9-2.53= 3.07+5.39-6.32= 6.74+6.66-0.86=6.54-4.47+8.4= 5.37-1.43+8.31= 3.58-0.37+7.71=9.73-2.51+0.14= 8.97-4.84+4.31= 3.97-2.47+1.16=9.17-3.13+5.97= 1.78-0.02+0.77= 9.75-1.94+4.18=3.92-2.68+0.98= 7.73-2.99+0.98= 6.34-4.15+9.35=1.9-1.6+8.78= 7.78-3.72+4.71= 6.18-0.18+1.65=8.83-7.96+6

5、.41= 9.72-8.92+5.51= 6.71-3.56+8.8=5.4-0.98-0.9= 7.79-0.14-4.92= 9.56-0.12-7.64=7.85-2.86-4.06= 8.08-5.43-1.33= 7.66-3.13-0.55=8.12-5.99-1.01= 7.57-0.04-7.42= 9.06-6.07-2.36=4.04-0.5-0.37= 8.82-2.67-5.82= 3.81-1.12-2.44=6.23-1.41-3.82= 8.49-0.13-2.79= 7.23-2.74-2.7=6.77-1.29-4.54= 6.97-1.88-0.73= 8.

6、42-6.12-0.66=5.98+0.32+6.69+5.47= 2.32+6.01+2.4+1.22= 3.85+7.5+2.31+8.47=7.42+2.09+8.87+0.58= 1.05+9.25+3.49+6.96= 0.75+8.87+2.99+4.59=0.2+9.05+2.94+2.42= 8.22+8.04+7.76+4.54= 5.77+1.3+8.01+5.36=9.97+5.82+0.08+5.33= 9.88+7.05+4.35+9.91= 5.01+9.51+3.78+5.2=5.46+1.66+5.62+2.87= 9.92+6.79+6.05+4.02= 5.

7、49+6.75+8.98+6.14=1.73+2.04+7.37+9.99= 9.88+2.55+8.03+3.38= 6.97+6.16+8.47+7.07=3.38+7.59+7.58-4.16= 2.62+9.26+9.87-7.49= 1.05+6.96+7.48-1.95=5.87+7.34+2.15-7.15= 0.08+1.34+4.58-4.06= 3.26+7.58+7.61-3.06=9.19+2.44+4.87-4.84= 1.28+8.55+6.62-5.42= 9.45+2.77+0.32-5.29=3.86+4.43+4.01-8.97= 2.62+9.85+7.0

8、5-5.34= 4.01+5.01+4.05-0.76=6.08+7.94+4.69-7.09= 9.77+5.41+4.42-4.03= 5.58+2.43+8.22-0.13=7.06+2.28+2.4-0.83= 9.31+4.94+7.47-2.15= 4.27+5.31+8.93-7.39=0.04+9.45-0.43+1.33= 6.35+6.04-8.92+0.21= 3.59+2.15-0.3+8.32=8.4+7.73-7.95+2.02= 9.48+9.15-5.01+3.7= 3.35+8.68-5.59+2.4=3.02+3.96-1.77+1.3= 9.17+8.42

9、-6.12+5.91= 1+5.12-4+9.59=9.68+8.85-6.03+1.81= 6.43+6.76-5.95+9.85= 1.77+4.23-4.87+4.7=3.51+9.67-6.73+6.95= 9.13+9.67-7.67+3.82= 8.54+7.79-5.91+8.3=8.02+1.44-8.18+0.7= 3.39+8.25-0.12+3.41= 6.17+8.93-3.73+7.38=6.13+4.89-0.35-8.26= 1.26+9.27-5.64-1= 6.79+6.12-3.69-3.99=7.66+9.8-4.77-0.16= 0.29+9.07-6.

10、25-1.81= 8.05+7.89-2.47-2.77=5.51+1.37-3.28-2.31= 6.21+6.58-2.9-0.37= 6.23+2.81-3.43-0.08=8.89+7.51-0.26-9.4= 6.89+9.42-4.75-1.96= 6.71+2.26-1.86-5.71=8.71+2.88-2.47-3.15= 1.82+5.39-3.46-1.47= 8.66+6.8-8.87-6.17=4.07+0.62-2.14-2.45= 9.2+0.79-0.74-8.79= 5.28+8.52-2.1-1.37=2.24-0.42+3.21+9.27= 3.29-2.

11、91+6.28+6.16= 2.37-0.43+3.96+2.06=4.04-3.04+2.84+3.47= 6.81-1.58+5.88+5.22= 8.27-8.09+2.83+2.96=8.08-0.74+8.38+8.65= 1.23-0.66+9.91+8.73= 4.01-1.14+7.4+5.37=7.29-7.01+2.56+6.82= 8.53-3.02+1.38+4.65= 9.79-8.48+1.65+5.62=1.79-0.63+0.48+5.01= 9.67-6.7+8.1+4.48= 2.73-0.04+1.19+7.81=2.96-0.76+1.14+2.5= 7

12、.73-2.86+0.34+2.05= 5.28-1.55+9.18+9.35=8.55-4.46+4.54-0.86= 9.87-5.02+2.47-4.01= 9.13-1.75+5.28-8.44=9.58-1.95+4.91-4.63= 6.63-1.01+6.04-7.23= 7.74-3.62+6.44-3.15=9.08-5.71+2.99-4.44= 6.75-0.8+5.63-8.06= 1.93-1.74+8.5-3.21=4.94-1.89+9.85-5.05= 7.21-6.95+9.34-5.11= 8.08-4.71+7.37-5.68=9-4+1.71-5.08=

13、 8.91-2.42+2.88-5.17= 4.86-3.44+6.93-2.02=5.42-0.57+7.47-3.38= 6.11-0.25+2.54-3.79= 8.14-1.83+9.93-8.38=7.48-0.5-3.23+3.83= 6.71-3.41-1.25+5.83= 6.02-0.25-1.04+9.1=8.68-3.27-4.69+6.16= 6.46-1.68-3.17+5.87= 7.55-2.47-4.16+0.43=8.12-1.17-4.5+2.89= 8.11-3.89-2.53+3.32= 8.1-2.05-4.12+8.33=7.11-4.86-0.73

14、+0.46= 4.69-2.11-0.6+7.95= 8.79-5.12-3.07+2.2=8.42-2.16-5.19+8.5= 7.11-1.44-1.55+5.62= 8.87-1.19-5.42+1.84=9.64-3.21-4.95+0.6= 7.64-0.65-2.44+0.41= 6.87-0.56-4.8+6.92=7.19-6.91-0.06-0.12= 9.53-2.87-2.77-0.6= 9.55-3.57-2.81-1.95=8.54-0.02-0.31-6.79= 8.49-0.62-2.87-0.74= 4.63-1.59-0.99-1.76=9.54-5.1-0

15、.48-0.43= 7.08-0.88-1.69-1.65= 7.21-1.23-0.48-0.84=7.81-2.71-0.12-4.71= 7.97-0.33-1.93-1.47= 9.38-4.06-1.85-0.45=8.86-0.66-2.73-4.11= 4.86-0.47-0.21-0.08= 9.3-0.77-0.12-4.6=4.23-0.22-1.12-0.56= 5.57-3.65-0.5-1.15= 7.92-2.5-1.3-1.41= 参考答案： 4.17+9.25=13.42 9.88+6.15=16.03 5.4+8.03=13.430.31+8.9=9.21 9

16、.77+9.61=19.38 7.44+7.89=15.334.23+7.24=11.47 4.19+9.28=13.47 1.87+6.9=8.774.18+2.76=6.94 7.65+9.94=17.59 5.37+9.5=14.874.48+8=12.48 7.77+0.95=8.72 3+2.1=5.11.2+0.03=1.23 5.29+3.7=8.99 0.04+5.29=5.336.12-5.99=0.13 8.09-2.17=5.92 8.45-7.02=1.436.87-4.43=2.44 7.47-6.79=0.68 8.71-5.88=2.839.8-2.6=7.2 8

17、.02-4.63=3.39 3.09-2.56=0.533.58-2.81=0.77 3.5-0.06=3.44 3.4-2.5=0.98.02-7.34=0.68 7.25-2.93=4.32 8.89-8.45=0.446.31-1.51=4.8 6.16-4.16=2 6.71-5.63=1.081.75+7.77+7.22=16.74 8.41+0.04+7.02=15.47 3.2+8.67+8.53=20.41.91+2.04+1.21=5.16 5.37+2.72+7.08=15.17 3.69+0.85+2.68=7.222.43+9.99+1.81=14.23 6.81+9.

18、98+2.98=19.77 1.08+0.29+9.05=10.428.84+2.81+4.08=15.73 4.4+4.63+1.6=10.63 1.13+8.86+3.34=13.337.07+1.21+8.21=16.49 1.54+8.25+8.81=18.6 0.49+8.04+1.9=10.434.25+0.4+2.93=7.58 6.61+4.12+9.39=20.12 0.68+0.71+4.81=6.25.35+2.57-4.47=3.45 8.73+1.91-8.57=2.07 9.55+0.91-6.75=3.710.72+6.66-0.65=6.73 9.34+6-9.

19、84=5.5 2.49+6.8-6.4=2.892.54+1.53-3.23=0.84 3.56+3.59-5.66=1.49 6.19+3.78-8.39=1.581.85+4.24-3.8=2.29 4.16+6.64-3.1=7.7 9.13+5.02-7.13=7.027.11+4.36-5.17=6.3 3.14+8.67-3.62=8.19 4.27+3.58-0.48=7.374.36+4.9-2.53=6.73 3.07+5.39-6.32=2.14 6.74+6.66-0.86=12.546.54-4.47+8.4=10.47 5.37-1.43+8.31=12.25 3.5

20、8-0.37+7.71=10.929.73-2.51+0.14=7.36 8.97-4.84+4.31=8.44 3.97-2.47+1.16=2.669.17-3.13+5.97=12.01 1.78-0.02+0.77=2.53 9.75-1.94+4.18=11.993.92-2.68+0.98=2.22 7.73-2.99+0.98=5.72 6.34-4.15+9.35=11.541.9-1.6+8.78=9.08 7.78-3.72+4.71=8.77 6.18-0.18+1.65=7.658.83-7.96+6.41=7.28 9.72-8.92+5.51=6.31 6.71-3

21、.56+8.8=11.955.4-0.98-0.9=3.52 7.79-0.14-4.92=2.73 9.56-0.12-7.64=1.87.85-2.86-4.06=0.93 8.08-5.43-1.33=1.32 7.66-3.13-0.55=3.988.12-5.99-1.01=1.12 7.57-0.04-7.42=0.11 9.06-6.07-2.36=0.634.04-0.5-0.37=3.17 8.82-2.67-5.82=0.33 3.81-1.12-2.44=0.256.23-1.41-3.82=1 8.49-0.13-2.79=5.57 7.23-2.74-2.7=1.79

22、6.77-1.29-4.54=0.94 6.97-1.88-0.73=4.36 8.42-6.12-0.66=1.645.98+0.32+6.69+5.47=18.46 2.32+6.01+2.4+1.22=11.95 3.85+7.5+2.31+8.47=22.137.42+2.09+8.87+0.58=18.96 1.05+9.25+3.49+6.96=20.75 0.75+8.87+2.99+4.59=17.20.2+9.05+2.94+2.42=14.61 8.22+8.04+7.76+4.54=28.56 5.77+1.3+8.01+5.36=20.449.97+5.82+0.08+

23、5.33=21.2 9.88+7.05+4.35+9.91=31.19 5.01+9.51+3.78+5.2=23.55.46+1.66+5.62+2.87=15.61 9.92+6.79+6.05+4.02=26.78 5.49+6.75+8.98+6.14=27.361.73+2.04+7.37+9.99=21.13 9.88+2.55+8.03+3.38=23.84 6.97+6.16+8.47+7.07=28.673.38+7.59+7.58-4.16=14.39 2.62+9.26+9.87-7.49=14.26 1.05+6.96+7.48-1.95=13.545.87+7.34+

24、2.15-7.15=8.21 0.08+1.34+4.58-4.06=1.94 3.26+7.58+7.61-3.06=15.399.19+2.44+4.87-4.84=11.66 1.28+8.55+6.62-5.42=11.03 9.45+2.77+0.32-5.29=7.253.86+4.43+4.01-8.97=3.33 2.62+9.85+7.05-5.34=14.18 4.01+5.01+4.05-0.76=12.316.08+7.94+4.69-7.09=11.62 9.77+5.41+4.42-4.03=15.57 5.58+2.43+8.22-0.13=16.17.06+2.

25、28+2.4-0.83=10.91 9.31+4.94+7.47-2.15=19.57 4.27+5.31+8.93-7.39=11.120.04+9.45-0.43+1.33=10.39 6.35+6.04-8.92+0.21=3.68 3.59+2.15-0.3+8.32=13.768.4+7.73-7.95+2.02=10.2 9.48+9.15-5.01+3.7=17.32 3.35+8.68-5.59+2.4=8.843.02+3.96-1.77+1.3=6.51 9.17+8.42-6.12+5.91=17.38 1+5.12-4+9.59=11.719.68+8.85-6.03+

26、1.81=14.31 6.43+6.76-5.95+9.85=17.09 1.77+4.23-4.87+4.7=5.833.51+9.67-6.73+6.95=13.4 9.13+9.67-7.67+3.82=14.95 8.54+7.79-5.91+8.3=18.728.02+1.44-8.18+0.7=1.98 3.39+8.25-0.12+3.41=14.93 6.17+8.93-3.73+7.38=18.756.13+4.89-0.35-8.26=2.41 1.26+9.27-5.64-1=3.89 6.79+6.12-3.69-3.99=5.237.66+9.8-4.77-0.16=

27、12.53 0.29+9.07-6.25-1.81=1.3 8.05+7.89-2.47-2.77=10.75.51+1.37-3.28-2.31=1.29 6.21+6.58-2.9-0.37=9.52 6.23+2.81-3.43-0.08=5.538.89+7.51-0.26-9.4=6.74 6.89+9.42-4.75-1.96=9.6 6.71+2.26-1.86-5.71=1.48.71+2.88-2.47-3.15=5.97 1.82+5.39-3.46-1.47=2.28 8.66+6.8-8.87-6.17=0.424.07+0.62-2.14-2.45=0.1 9.2+0

28、.79-0.74-8.79=0.46 5.28+8.52-2.1-1.37=10.332.24-0.42+3.21+9.27=14.3 3.29-2.91+6.28+6.16=12.82 2.37-0.43+3.96+2.06=7.964.04-3.04+2.84+3.47=7.31 6.81-1.58+5.88+5.22=16.33 8.27-8.09+2.83+2.96=5.978.08-0.74+8.38+8.65=24.37 1.23-0.66+9.91+8.73=19.21 4.01-1.14+7.4+5.37=15.647.29-7.01+2.56+6.82=9.66 8.53-3

29、.02+1.38+4.65=11.54 9.79-8.48+1.65+5.62=8.581.79-0.63+0.48+5.01=6.65 9.67-6.7+8.1+4.48=15.55 2.73-0.04+1.19+7.81=11.692.96-0.76+1.14+2.5=5.84 7.73-2.86+0.34+2.05=7.26 5.28-1.55+9.18+9.35=22.268.55-4.46+4.54-0.86=7.77 9.87-5.02+2.47-4.01=3.31 9.13-1.75+5.28-8.44=4.229.58-1.95+4.91-4.63=7.91 6.63-1.01

30、+6.04-7.23=4.43 7.74-3.62+6.44-3.15=7.419.08-5.71+2.99-4.44=1.92 6.75-0.8+5.63-8.06=3.52 1.93-1.74+8.5-3.21=5.484.94-1.89+9.85-5.05=7.85 7.21-6.95+9.34-5.11=4.49 8.08-4.71+7.37-5.68=5.069-4+1.71-5.08=1.63 8.91-2.42+2.88-5.17=4.2 4.86-3.44+6.93-2.02=6.335.42-0.57+7.47-3.38=8.94 6.11-0.25+2.54-3.79=4.

31、61 8.14-1.83+9.93-8.38=7.867.48-0.5-3.23+3.83=7.58 6.71-3.41-1.25+5.83=7.88 6.02-0.25-1.04+9.1=13.838.68-3.27-4.69+6.16=6.88 6.46-1.68-3.17+5.87=7.48 7.55-2.47-4.16+0.43=1.358.12-1.17-4.5+2.89=5.34 8.11-3.89-2.53+3.32=5.01 8.1-2.05-4.12+8.33=10.267.11-4.86-0.73+0.46=1.98 4.69-2.11-0.6+7.95=9.93 8.79

32、-5.12-3.07+2.2=2.88.42-2.16-5.19+8.5=9.57 7.11-1.44-1.55+5.62=9.74 8.87-1.19-5.42+1.84=4.19.64-3.21-4.95+0.6=2.08 7.64-0.65-2.44+0.41=4.96 6.87-0.56-4.8+6.92=8.437.19-6.91-0.06-0.12=0.1 9.53-2.87-2.77-0.6=3.29 9.55-3.57-2.81-1.95=1.228.54-0.02-0.31-6.79=1.42 8.49-0.62-2.87-0.74=4.26 4.63-1.59-0.99-1.76=0.299.54-5.1-0.48-0.43=3.53 7.08-0.88-1.69-1.65=2.86 7.21-